No.
For a type fish or seafood to be Kosher, it must have fins and scales.
That would depend on how they were made (the prawn flavor would have to be exclusively artificial), but even if they could be considered Kosher it is probably unlikely that a practicing Jew would be interested in eating them anyway.
It's shellfish.
Jews who keep kosher do not eat prawn, since it's not a kosher species of sea creature.
No, unless it is artificial flavoring. Prawns and other shelfish are not kosher. The only kosher seafood are fish that have both fins and scales.
If I'm airborne anaphylactic allergic to prawns can I still eat prawn cocktail flavour crisps
Yes, eating prawn is allowed in Islam. All kinds of sea food is allowed to eat per Islam teachings.
Orthodox Jews are only allowed to eat kosher foods.
Yes.
Yes.
Religiously observant Jews will only eat in restaurants that are kosher certified.
Pork is not allowed to eaten by Jews, Muslims. Hindus are allowed to eat pork but many choose not to very often. Sikhs are also allowed to eat pork but chose not to very often
in the event where prawn is edible by krill, the answer is yes